Yeah you are prob stalling :)
Chuck on the afterburners for steep climbs.
Sorry I havent updated this in ages. I hope to be getting to this soon with some proper missions and online pvp or similar.
Its like the original. Use the +thrust key. When its 100% press once to activate afterburner (goes yellow) press again to disable.
Target is just pressing T which will cycle through the targets (see key map on the page). Note: If you are playing locally, the debug info is available - it is not available on web (only portions of it)